Documentation/devicetree/bindings/display/bridge/nxp,ptn3460.yaml

   1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/display/bridge/nxp,ptn3460.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: NXP PTN3460 eDP to LVDS bridge
   8
   9 maintainers:
  10   - Sean Paul <seanpaul@chromium.org>
  11
  12 properties:
  13   compatible:
  14     const: nxp,ptn3460
  15
  16   reg:
  17     description: I2C address of the bridge
  18     maxItems: 1
  19
  20   edid-emulation:
  21     $ref: "/schemas/types.yaml#/definitions/uint32"
  22     description:
  23       The EDID emulation entry to use
  24       Value  Resolution  Description
  25         0     1024x768   NXP Generic
  26         1     1920x1080  NXP Generic
  27         2     1920x1080  NXP Generic
  28         3     1600x900   Samsung LTM200KT
  29         4     1920x1080  Samsung LTM230HT
  30         5     1366x768   NXP Generic
  31         6     1600x900   ChiMei M215HGE
  32     enum: [0, 1, 2, 3, 4, 5, 6]
  33
  34   powerdown-gpios:
  35     description: GPIO connected to the PD_N signal.
  36     maxItems: 1
  37
  38   reset-gpios:
  39     description: GPIO connected to the RST_N signal.
  40     maxItems: 1
  41
  42   ports:
  43     $ref: /schemas/graph.yaml#/properties/ports
  44
  45     properties:
  46       port@0:
  47         $ref: /schemas/graph.yaml#/properties/port
  48         description:
  49           Video port for LVDS output
  50
  51       port@1:
  52         $ref: /schemas/graph.yaml#/properties/port
  53         description:
  54           Video port for eDP input
  55
  56     required:
  57       - port@0
  58       - port@1
  59
  60 required:
  61   - compatible
  62   - reg
  63   - edid-emulation
  64   - powerdown-gpios
  65   - reset-gpios
  66   - ports
  67
  68 additionalProperties: false
  69
  70 examples:
  71   - |
  72     #include <dt-bindings/gpio/gpio.h>
  73
  74     i2c {
  75       #address-cells = <1>;
  76       #size-cells = <0>;
  77
  78       bridge@20 {
  79         compatible = "nxp,ptn3460";
  80         reg = <0x20>;
  81         edid-emulation = <5>;
  82         powerdown-gpios = <&gpy2 5 GPIO_ACTIVE_HIGH>;
  83         reset-gpios = <&gpx1 5 GPIO_ACTIVE_LOW>;
  84
  85         ports {
  86           #address-cells = <1>;
  87           #size-cells = <0>;
  88
  89           port@0 {
  90             reg = <0>;
  91             bridge_out: endpoint {
  92               remote-endpoint = <&panel_in>;
  93             };
  94           };
  95
  96           port@1 {
  97             reg = <1>;
  98             bridge_in: endpoint {
  99               remote-endpoint = <&dp_out>;
 100             };
 101           };
 102         };
 103       };
 104     };
 105
 106 ...